package com.itheima.edu.info.manager.system.service;

import com.itheima.edu.info.manager.system.dao.TeacherDao;
import com.itheima.edu.info.manager.system.domain.Teacher;

/**
 *老师业务层接口
 */
public interface ITeacherService {


    //增
    //入参 Teacher teacher
    //返回值没有
    public void xinZeng(Teacher teacher);

    //删
    public void shanChu(String id);

    //改
    public void xiuGai(String id,Teacher teacher);
    //查

    public Teacher[] chaXunSuoYou();
    //判断学号是否存在
    //入参 String id
    //返回值 boolean
    public  boolean panDuan(String id);

}
